Re: Modify JspServlet config in application web.xml?

2018-01-28 Thread Christopher Schultz 
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Richárd,

On 1/27/18 7:18 AM, Richárd Olivér Legéndi wrote:
> Thanks a lot, Christopher and Mark!
> 
> Wow, lot of knowledge and pointers to move forward. I've debugged a
> bit around both ContextConfig and JspServlet, and it is exactly as
> you described. This saves a hell lot of work for me and helps avoid
> some stressful meetings :D
> 
> Thanks a lot! Also for the reference of the Servlet spec, I think
> it's time to go through it.

It's one of the most readable spec documents I've ever read. Well
worth the read for anyone who will be doing anything web-related with
Java EE.

- -chris
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Re: jsp precompile options

2018-01-28 Thread Alex O'Ree 
Mark, thanks for the clarification. I don't know why I assumed it was
needed. Awesome!
Juan, I'll give that one a shot, thanks!

On Sun, Jan 28, 2018 at 5:45 AM, Mark Thomas  wrote:

> On 27/01/18 13:35, Alex O'Ree wrote:
> > Using tomcat 8.5...
> >
> > I have a web app that still uses jsp's and i'm looking into a few options
> > to (a) aid development and (b) reduce or eliminate the need for the JDK
> in
> > a production setup and just run a JRE.
>
> Tomcat doesn't need the JDK and hasn't for a good number of years.
> Tomcat includes the Eclipse compiler and uses that to compile JSPs by
> default.
>
> > (a) Making development easier. My project is maven based and I'd like to
> > run some kind of JSP precompile at build time to ensure that all jsp
> files
> > can be compiled (no typos). I've tried a bunch of examples from SO but
> > haven't found anything that functionally works.
>
> If you don't show us a) what you tried and b) what error message you got
> we can't help you and point you in the right direction.
>
> > (b) Along the same lines, if the solution to question a can inject the
> > precompiled jsp files into the WAR, and that is deployed to tomcat, my
> > assumption is that the JDK and thus javac would not be necessary at
> > runtime. Is this an accurate statement or do other elements within tomcat
> > require the JDK? This is assuming that all JSP's deployed to tomcat are
> > precompiled somehow.
>
> The JDK is not necessary to run any currently supported version of Tomcat.
>
> Mark
>
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Re: jsp precompile options

2018-01-28 Thread Mark Thomas 
On 27/01/18 13:35, Alex O'Ree wrote:
> Using tomcat 8.5...
> 
> I have a web app that still uses jsp's and i'm looking into a few options
> to (a) aid development and (b) reduce or eliminate the need for the JDK in
> a production setup and just run a JRE.

Tomcat doesn't need the JDK and hasn't for a good number of years.
Tomcat includes the Eclipse compiler and uses that to compile JSPs by
default.

> (a) Making development easier. My project is maven based and I'd like to
> run some kind of JSP precompile at build time to ensure that all jsp files
> can be compiled (no typos). I've tried a bunch of examples from SO but
> haven't found anything that functionally works.

If you don't show us a) what you tried and b) what error message you got
we can't help you and point you in the right direction.

> (b) Along the same lines, if the solution to question a can inject the
> precompiled jsp files into the WAR, and that is deployed to tomcat, my
> assumption is that the JDK and thus javac would not be necessary at
> runtime. Is this an accurate statement or do other elements within tomcat
> require the JDK? This is assuming that all JSP's deployed to tomcat are
> precompiled somehow.

The JDK is not necessary to run any currently supported version of Tomcat.

Mark

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